11 Days of Global Unity Sept. 11-21 is an annual promotion of peace, justice and environmental stewardship that communities and organizations take part in around the world. It culminates on September 21st, the U.N. International Day of Peace , In 2004 We, The World ( www.WeTheWorld.org ) launched 11 Days of Global Unity as a breakthrough platform for linking local awareness and action campaigns into an inspiring international movement for peace, sustainability and transformation.